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2007 AMC 10B Problem 11

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2007 AMC 10B Problem 11AMC 10 Step by Step
Name:                             Date: September 13, 2026
Circles · difficulty 3 of 5 · about 4 min · position P11-15

A circle passes through the three vertices of an isosceles triangle that has two sides of length 33 and a base of length 22 . What is the area of this circle?

  1. A)

    2π2\pi

  2. B)

    52π\frac{5}{2}\pi

  3. C)

    8132π\frac{81}{32}\pi

  4. D)

    3π3\pi

  5. E)

    72π\frac{7}{2}\pi

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